Home AR-15 Ep-9: Choosing the Right AR-15 Buffer Weights, Springs & Buffer Tubes… Starts...

Ep-9: Choosing the Right AR-15 Buffer Weights, Springs & Buffer Tubes… Starts Here!

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Stuck trying to figure out what AR-15 buffer weight goes with what buffer spring and what Mil-Spec or Commercial receiver extension? Stop looking now and watch this! We walk you through the differences in Carbine, Rifle buffer assemblies; H1 vs. H2 vs. H3 Buffer weights; the best buffer spring for the job…and a whole lot more.

00:00 – Intro
00:35 – AR-15 Buffer Assembly
01:50 – How it Works
03:59 – Buffer Tube (Receiver Extension)
05:15 – MilSpec vs. Commercial Receivers
06:15 – The Buffer (Carbine, Rifle, H1, H2, H3)
09:16 – Buffer Springs
10:58 – Choosing The Right Combo
12:25 – Tuning Your AR15 Starts Here
12:57 – Ep-10: Buttstocks, Braces & The AR15 Backend!

We strive to provide the growing AR-15 shooting community with helpful, fact-driven information about the AR-15 & AR-15 style firearms and accessories to do our part in bolstering a more well-informed community and safer when handling, building or shooting their personal firearm. Let’s face it, we all have to start somewhere when it comes to becoming a firearms expert. Our goal is to help you get there one small step at a time. **The purpose and content of this video is to provide general information regarding the products and their applications on any/all related firearms that strictly comply with all federal, Minnesota state, and local laws. The viewer expressly agrees that AT3 Tactical LLC; its officers, directors, employees and agents shall not be liable for any damages or losses related to the products and information provided in this video and hereby agrees to hold the foregoing harmless from any such losses or damages. AT3 Tactical LLC is a Federal Firearms Licensee.

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22 COMMENTS

  1. Best video I've seen yet on this. I'm dealing with 2 builds from scratch.
    1. 16" 5.56 / .223 that feeds and extracts but no LRBHO ( I do need to try a different mag, only had 1 at the range during cherry pop time )
    2. 10.5" 5.56 / .223 that fails to feed and sometimes extracts ( potential gas block issues – unconfirmed)
    I am relatively new to all this. Please keep making the highly informative videos. Stay Rad. Stay safe!

  2. I am curious, does it matter if a carbine buffer weights move on the inside of the buffer? because I have a 5.8oz with solid none movable weight inside the buffer, and I switched it with my standard carbine buffer,on my 16" 5.56 AR, but instead of it helping. it made my ejection go from the basic 3 o'clock pos. It jumped to around 2 o'clock being way over gassed, and still had no problems with ejection. Shouldn't that much weight have stopped my system from ejecting at all

  3. I wish there was a chart with calibers, barrel and gas lengths, and buffer weights breakdown. Old school text book style. Just finishing a .458 socom build and finding an accurate weight setup that isnt just "start with this and adjust from there" is kinda lame. There has to be some sorta math based/measured number system to selecting buffer setups. Unless I just havent found it.

  4. Great break-down. I just wish a video like this with a break-down & recommendations for buffer assembly setup for running different uppersin a variety of calibers would pop up, smack me, & yell watch me, ya idjyit.

  5. Geissele Super 42 spring and proprietary H2 buffer makes my 16" mid-length rifle shoot like a dream. Very light recoil, cycles perfectly, and definitely no spring twang. I also purchased a spare tungsten weight in case I needed it, but it turns out it's perfect as it is. I mentioned proprietary buffer as the spring won't slip over the shoulder on a standard buffer due to it's decreased inside diameter. Since the spring is built to last, it should be the last spring/buffer set I'll ever need to purchase.

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